Over the last few weeks I've had a persistant pinging on petrol. I know gems is supposed to retard the timing, but it doesn't seem to be doing so. Even at part throttle at 1600rpm it does it, and that's on 95 octane petrol.
It doesn't do it on lpg however, otherwise I wouldn't be driving the car.

I did have a cam position sensor fault, and after erasing that it didn't come back.

I can read the ignition advance on the nanocom, and at idle it'll be around 20, and general running around between 32-40. The trouble is I've no idea what is normal.

Is there a way to test the knock sensors at all?
I'll be checking this afternoon if I've got power to the cpk.

Just don't know.




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